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Authors

Richard Helm

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Richard Helm

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Publications by Richard Helm (bibliography)

» 1995 «

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Gamma, Erich, Helm, Richard, Johnson, Ralph and Vlissides, John (1995): Design Patterns: Elements of reusable object-oriented software. Addison-Wesley Publishing
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Used on the following page:

» Interaction Design Patterns: [/encyclopedia/interaction_design_patterns.html]

» 1992 «

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Helm, Richard, Huynh, Tien, Lassez, Catherine and Marriott, Kim (1992): A linear constraint technology for interactive graphic systems. In: Graphics Interface 92 May 11-15, 1992, Vancouver, British Columbia, Canada. pp. 301-309.

» 1991 «

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Helm, Richard, Marriott, Kim and Odersky, Martin (1991): Building Visual Language Parsers. In: Robertson, Scott P., Olson, Gary M. and Olson, Judith S. (eds.) Proceedings of the ACM CHI 91 Human Factors in Computing Systems Conference April 28 - June 5, 1991, New Orleans, Louisiana. pp. 105-112. Available online

“Notepad computers promise a new input paradigm where users communicate with computers in visual languages composed of handwritten text and diagrams. A key problem to be solved before such an interface can be realized is the efficient and accurate recognition (or parsing) of handwritten input. We present techniques for building visual language parsers based on a new formalism, constrained set grammars. Constrained set grammars provide a high-level and declarative specification of visual languages and support the automatic generation of efficient parsers. These techniques have been used to build parsers for several representative visual languages.”

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